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Continue to ChatBi-interpretation of weak set theories, Oberwolfach, April 2020 https://jdh.hamkins.org/bi-interpretation-of-weak-set-theories-oberwolfach-april-2020/
Bi-interpretation of weak set theories, Oberwolfach, April 2020 https://jdh.hamkins.org/bi-interpretation-of-weak-set-theories-oberwolfach-april-2020/